ZA202101569B - Image encoding/decoding method and device using intra prediction - Google Patents
Image encoding/decoding method and device using intra predictionInfo
- Publication number
- ZA202101569B ZA202101569B ZA2021/01569A ZA202101569A ZA202101569B ZA 202101569 B ZA202101569 B ZA 202101569B ZA 2021/01569 A ZA2021/01569 A ZA 2021/01569A ZA 202101569 A ZA202101569 A ZA 202101569A ZA 202101569 B ZA202101569 B ZA 202101569B
- Authority
- ZA
- South Africa
- Prior art keywords
- intra prediction
- decoding method
- image encoding
- encoding
- decoding
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/96—Tree coding, e.g. quad-tree coding
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20180107255 | 2018-09-07 | ||
PCT/KR2019/011554 WO2020050684A1 (ko) | 2018-09-07 | 2019-09-06 | 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA202101569B true ZA202101569B (en) | 2022-08-31 |
Family
ID=69722959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA2021/01569A ZA202101569B (en) | 2018-09-07 | 2021-03-08 | Image encoding/decoding method and device using intra prediction |
Country Status (15)
Country | Link |
---|---|
US (5) | US11477439B2 (ko) |
EP (1) | EP3833021A4 (ko) |
JP (3) | JP7448526B2 (ko) |
KR (1) | KR20200028856A (ko) |
CN (4) | CN116405679A (ko) |
AU (1) | AU2019336038A1 (ko) |
BR (1) | BR112021004024A2 (ko) |
CA (1) | CA3111982C (ko) |
CL (1) | CL2021000527A1 (ko) |
IL (1) | IL281221A (ko) |
MX (1) | MX2021002608A (ko) |
PH (1) | PH12021550480A1 (ko) |
SG (1) | SG11202102238SA (ko) |
WO (1) | WO2020050684A1 (ko) |
ZA (1) | ZA202101569B (ko) |
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IL281622B2 (en) | 2018-09-21 | 2024-01-01 | Guangdong Oppo Mobile Telecommunications Corp Ltd | A method of encoding/decoding image signals and a device therefor |
KR20200034646A (ko) | 2018-09-21 | 2020-03-31 | 주식회사 엑스리스 | 영상 신호 부호화/복호화 방법 및 이를 위한 장치 |
EP3893509A4 (en) | 2018-12-07 | 2022-10-26 | Samsung Electronics Co., Ltd. | VIDEO DECODING METHOD AND DEVICE AND VIDEO ENCODING METHOD AND DEVICE |
JP7481332B2 (ja) | 2018-12-25 | 2024-05-10 | オッポ広東移動通信有限公司 | デコードのための予測方法及びその装置、並びにコンピュータ記憶媒体 |
WO2020207492A1 (en) | 2019-04-12 | 2020-10-15 | Beijing Bytedance Network Technology Co., Ltd. | Interaction between matrix-based intra prediction and other coding tools |
EP3939270A4 (en) | 2019-04-16 | 2022-05-11 | Beijing Bytedance Network Technology Co., Ltd. | MATRIX DERIVATION IN AN INTRA CODING MODE |
WO2020221372A1 (en) | 2019-05-01 | 2020-11-05 | Beijing Bytedance Network Technology Co., Ltd. | Context coding for matrix-based intra prediction |
CN117241018A (zh) | 2019-05-01 | 2023-12-15 | 北京字节跳动网络技术有限公司 | 使用滤波的基于矩阵的帧内预测 |
KR20220011127A (ko) | 2019-05-22 | 2022-01-27 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 업샘플링을 이용한 행렬 기반 인트라 예측 |
JP2022535726A (ja) | 2019-05-31 | 2022-08-10 | 北京字節跳動網絡技術有限公司 | 行列ベースイントラ予測における制約されたアップサンプリングプロセス |
CN114009043A (zh) * | 2019-06-03 | 2022-02-01 | Lg电子株式会社 | 基于矩阵的帧内预测装置和方法 |
CN113950836B (zh) | 2019-06-05 | 2024-01-12 | 北京字节跳动网络技术有限公司 | 基于矩阵的帧内预测的上下文确定 |
KR20220082847A (ko) | 2019-10-28 | 2022-06-17 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 색상 성분에 기초한 신택스 시그널링 및 파싱 |
WO2022186620A1 (ko) * | 2021-03-04 | 2022-09-09 | 현대자동차주식회사 | 인트라 예측의 예측 신호를 개선하는 비디오 코딩방법 및 장치 |
CN117426088A (zh) * | 2021-09-17 | 2024-01-19 | Oppo广东移动通信有限公司 | 视频编解码方法、设备、系统、及存储介质 |
WO2023204624A1 (ko) * | 2022-04-20 | 2023-10-26 | 엘지전자 주식회사 | Cccm(convolutional cross-component model) 예측에 기반한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장하는 기록 매체 |
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KR20080082143A (ko) * | 2007-03-07 | 2008-09-11 | 삼성전자주식회사 | 영상 부호화 방법 및 장치, 복호화 방법 및 장치 |
US8705619B2 (en) * | 2010-04-09 | 2014-04-22 | Sony Corporation | Directional discrete wavelet transform (DDWT) for video compression applications |
KR101772459B1 (ko) * | 2010-05-17 | 2017-08-30 | 엘지전자 주식회사 | 신규한 인트라 예측 모드 |
US9258573B2 (en) | 2010-12-07 | 2016-02-09 | Panasonic Intellectual Property Corporation Of America | Pixel adaptive intra smoothing |
US10992958B2 (en) * | 2010-12-29 | 2021-04-27 | Qualcomm Incorporated | Video coding using mapped transforms and scanning modes |
US20120218432A1 (en) | 2011-02-28 | 2012-08-30 | Sony Corporation | Recursive adaptive intra smoothing for video coding |
KR20120103517A (ko) * | 2011-03-10 | 2012-09-19 | 한국전자통신연구원 | 인트라 예측 방법 및 그 장치 |
US8861593B2 (en) * | 2011-03-15 | 2014-10-14 | Sony Corporation | Context adaptation within video coding modules |
KR20120140181A (ko) * | 2011-06-20 | 2012-12-28 | 한국전자통신연구원 | 화면내 예측 블록 경계 필터링을 이용한 부호화/복호화 방법 및 그 장치 |
AU2012276407B2 (en) * | 2011-06-28 | 2016-02-18 | Samsung Electronics Co., Ltd. | Method and apparatus for image encoding and decoding using intra prediction |
JP6242793B2 (ja) | 2011-09-15 | 2017-12-06 | ヴィド スケール インコーポレイテッド | 空間的予測のためのシステムおよび方法 |
KR20130037161A (ko) * | 2011-10-05 | 2013-04-15 | 한국전자통신연구원 | 스케일러블 비디오 코딩을 위한 향상된 계층간 움직임 정보 예측 방법 및 그 장치 |
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JPWO2017068856A1 (ja) | 2015-10-21 | 2018-08-09 | シャープ株式会社 | 予測画像生成装置、画像復号装置および画像符号化装置 |
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CN116916010A (zh) * | 2017-09-08 | 2023-10-20 | 株式会社Kt | 视频信号处理方法及装置 |
CN111373755B (zh) * | 2017-11-16 | 2024-04-26 | 英迪股份有限公司 | 图像编码/解码方法和装置以及存储比特流的记录介质 |
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KR102604680B1 (ko) * | 2017-12-21 | 2023-11-21 | 엘지전자 주식회사 | 선택적 변환에 기반한 영상 코딩 방법 및 그 장치 |
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EP3806472A1 (en) | 2018-06-30 | 2021-04-14 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Merge mode-based inter-prediction method and apparatus |
US10404980B1 (en) * | 2018-07-10 | 2019-09-03 | Tencent America LLC | Intra prediction with wide angle mode in video coding |
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2019
- 2019-09-05 KR KR1020190110217A patent/KR20200028856A/ko active Search and Examination
- 2019-09-06 MX MX2021002608A patent/MX2021002608A/es unknown
- 2019-09-06 CN CN202310426208.9A patent/CN116405679A/zh active Pending
- 2019-09-06 WO PCT/KR2019/011554 patent/WO2020050684A1/ko unknown
- 2019-09-06 CA CA3111982A patent/CA3111982C/en active Active
- 2019-09-06 BR BR112021004024-2A patent/BR112021004024A2/pt unknown
- 2019-09-06 SG SG11202102238SA patent/SG11202102238SA/en unknown
- 2019-09-06 CN CN202310429492.5A patent/CN116389742A/zh active Pending
- 2019-09-06 EP EP19858139.9A patent/EP3833021A4/en active Pending
- 2019-09-06 AU AU2019336038A patent/AU2019336038A1/en active Pending
- 2019-09-06 CN CN202110462138.3A patent/CN113225557B/zh active Active
- 2019-09-06 JP JP2021512701A patent/JP7448526B2/ja active Active
- 2019-09-06 CN CN201980056309.3A patent/CN112806001A/zh active Pending
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2021
- 2021-03-03 CL CL2021000527A patent/CL2021000527A1/es unknown
- 2021-03-03 IL IL281221A patent/IL281221A/en unknown
- 2021-03-04 US US17/192,733 patent/US11477439B2/en active Active
- 2021-03-05 PH PH12021550480A patent/PH12021550480A1/en unknown
- 2021-03-08 ZA ZA2021/01569A patent/ZA202101569B/en unknown
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2022
- 2022-09-15 US US17/932,627 patent/US20230024256A1/en active Pending
- 2022-09-15 US US17/932,632 patent/US20230024482A1/en active Pending
- 2022-09-15 US US17/932,585 patent/US20230026401A1/en active Pending
- 2022-09-15 US US17/932,636 patent/US20230026704A1/en active Pending
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2024
- 2024-02-29 JP JP2024029883A patent/JP2024059905A/ja active Pending
- 2024-02-29 JP JP2024029923A patent/JP2024059906A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2020050684A1 (ko) | 2020-03-12 |
US20230024482A1 (en) | 2023-01-26 |
CN112806001A (zh) | 2021-05-14 |
JP7448526B2 (ja) | 2024-03-12 |
AU2019336038A1 (en) | 2021-04-01 |
US20210195176A1 (en) | 2021-06-24 |
JP2024059906A (ja) | 2024-05-01 |
CN116389742A (zh) | 2023-07-04 |
JP2022501881A (ja) | 2022-01-06 |
SG11202102238SA (en) | 2021-04-29 |
EP3833021A4 (en) | 2021-10-06 |
JP2024059905A (ja) | 2024-05-01 |
BR112021004024A2 (pt) | 2021-05-25 |
CL2021000527A1 (es) | 2021-08-20 |
MX2021002608A (es) | 2021-05-12 |
CA3111982A1 (en) | 2020-03-12 |
KR20200028856A (ko) | 2020-03-17 |
PH12021550480A1 (en) | 2021-10-11 |
US11477439B2 (en) | 2022-10-18 |
CN113225557A (zh) | 2021-08-06 |
IL281221A (en) | 2021-04-29 |
US20230026704A1 (en) | 2023-01-26 |
CA3111982C (en) | 2024-02-27 |
CN113225557B (zh) | 2023-06-20 |
US20230026401A1 (en) | 2023-01-26 |
CN116405679A (zh) | 2023-07-07 |
EP3833021A1 (en) | 2021-06-09 |
US20230024256A1 (en) | 2023-01-26 |
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